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Rails 4 LIKE query - ActiveRecord adds quotes
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Your placeholder is replaced by a string and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
...
Which characters are valid in CSS class names/selectors?
...lready separate classes from each other.
So, if you need to turn a random string into a CSS class name: take care of NUL and space, and escape (accordingly for CSS or HTML). Done.
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Best way to give a variable a default value (simulate Perl ||, ||= )
...specific to a null value. For example, if $_GET['name'] is set to an empty string, the first line would return an empty string, but we could return "john doe" by using $_GET['name'] ? $_GET['name'] : 'john doe'.
– VPhantom
May 20 at 18:33
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json.dumps vs flask.jsonify
...understand the purpose of the flask.jsonify method. I try to make a JSON string from this:
5 Answers
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Use cases for the 'setdefault' dict method
... but not so much if it's dynamic.
For example, I need a dictionary to map strings to unique ints. defaultdict(int) will always use 0 for the default value. Likewise, defaultdict(intGen()) always produces 1.
Instead, I used a regular dict:
nextID = intGen()
myDict = {}
for lots of complicated stuf...
Is there an auto increment in sqlite?
...ect (bold & italic are mine):
The AUTOINCREMENT keyword imposes extra CPU, memory, disk space, and
disk I/O overhead and should be avoided if not strictly needed. It is
usually not needed.
In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the
ROWID (except in WITHO...
Leaflet - How to find existing markers, and delete markers?
...ar marker = new Array();
/*Some Coordinates (here simulating somehow json string)*/
var items = [{"lat":"51.000","lon":"13.000"},{"lat":"52.000","lon":"13.010"},{"lat":"52.000","lon":"13.020"}];
/*pushing items into array each by each and then add markers*/
function itemWrap() {
for(i=0;i<items...
How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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Is there a short contains function for lists?
... @AlexF: That matches because ("--skip-ias") is not a tuple, but a string (the parentheses do nothing, just like (1) is just an integer). If you want a 1-tuple, you need to add a comma after the single item: ("--skip-ias",) (or (1,)).
– Blckknght
Jun 10...
Can you add new statements to Python's syntax?
...NAME, "open"
yield tokenize.OP, "("
yield tokenize.STRING, repr(LOGFILE)
yield tokenize.OP, ","
yield tokenize.STRING, "'a'"
yield tokenize.OP, ")"
yield tokenize.OP, ","
else:
yield type,name
(This does ma...
